About This 1.Professional Dual-Head Design PUIBERS truck tire pressure gauges integrate a straight head and a 30° bend head, easily reaching dual tires, dents, or concealed valve stems, providing accurate readings even in complex conditions. 2.High-Precision Dual Scale 10-150 PSI (1-10 bar) dual-directional ABS pressure gauge strip, 2 PSI graduations, high-contrast white scale for easy reading even in low light; designed specifically for semi-trailers, tractor units, RVs, SUVs, and commercial vehicles with American-style valve stems. 3.All-Metal Heavy-Duty Structure Zinc alloy connector + solid brass core + matte steel shell, reinforced spring mechanism, no battery required; top hanging loop for easy attachment and durability. 4.Three-Step Quick Measurement System ① Release a small amount of air from the valve stem → ② Instantly stabilize the pressure gauge strip → ③ Tighten the valve cap after taking the reading; all operations can be done with one hand. 5.Universal Safety Kit: Compatible with all American-style valved tires; maintaining standard tire pressure can extend tire life by 30%; includes 4 run-flat caps, an essential tool for drivers. Overview Brand : PUIBERS Material : Alloy Steel, Brass, Zinc Item Weight : 0.34 Kilograms Number of Items : 2 Thread Type : 1/4-28 Npt